[OpenSIPS-Users] [RFC] Default value of db_url in OpenSIPS

Ovidiu Sas osas at voipembedded.com
Thu Apr 14 16:56:17 CEST 2011

On Thu, Apr 14, 2011 at 10:35 AM, Bogdan-Andrei Iancu
<bogdan at opensips.org> wrote:
> On 04/14/2011 05:25 PM, Ovidiu Sas wrote:
>> On Thu, Apr 14, 2011 at 10:18 AM, Bogdan-Andrei Iancu
>> <bogdan at opensips.org>  wrote:
>>> On 04/14/2011 03:15 PM, Saúl Ibarra Corretgé wrote:
>>>> On 14/4/11 1:02 PM, Bogdan-Andrei Iancu wrote:
>>>>> Hi all,
>>>>> Following some discussions on the value of db_url, we end up with the
>>>>> idea of chancing the way of definition the db_url in opensips.
>>>>> The problem with the current approach (having builtin - hidden- default
>>>>> values) is confusing as, if you do no explicitly set a db_url, the
>>>>> modules will try do connect to the default db_url, without you even
>>>>> knowing that.
>>>>> So the idea is to remove the builtin default value and to have a new
>>>>> global parameter in opensips cfg to define the default value for
>>>>> db_urls.
>>>>> This will allow:
>>>>>     - to have single default db_url for simple default scripts (as we
>>>>> have now)
>>>>>     - to see (no mote hidden) the default value for db_url in your cfg
>>>>>     - to change the default db_url without re-compilling
>>>>>     - still be able to individually change the db_urls for each
>>>>> module...
>>>>> Already there are three +votes for this, but I would like to see other
>>>>> opinions on that....pro or against :)
>>>> +1
>>>> Would this global db_url be overridable with the per-module one, or are
>>>> they mutually exclusive?
>>> per module (if defined in script) will override the global one (for that
>>> module).
>> And if there's no per-module defined and no global defined, then the
>> init will fail with proper error message, right?
> If the module really requires a db, then it will fail to start.
>> Also, we may want to have two global urls:
>>  - one r/w for modules that require writing to the db;
>>  - one r/o for modules that require only reading from db.
> Does it make sense to keep this separation between RW and RO ? personally I
> never used it...somehow is non-sense (as security) for a single application
> to connect in the same time, to the same DB with RW and RO (for different
> modules).....my 2 cents..

I have no objections in using a single url.  But in this case, we
should get rid of the second one (r/o) from the opensipsctl script (to
keep consistency).


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